Fix installer for oc 4.3

installer/roles/kubernetes/tasks/openshift_auth.yml

@@ -1,4 +1,12 @@
 ---
+- name: Determine version of oc
+  shell: oc version | sed -n 's/oc v//p'
+  register: oc_version
+
+- name: Use correct cli option for kubeconfig
+  set_fact:
+    oc_kubeconfig_option: "{{ '--kubeconfig' if oc_version.stdout is version('3.11', '>=') else '--config' }}"
+
 - include_vars: openshift.yml
 
 - name: Set kubernetes_namespace

installer/roles/kubernetes/vars/openshift.yml

@@ -1,3 +1,3 @@
 ---
 openshift_oc_config_file: "{{ kubernetes_base_path }}/.kube/config"
-openshift_oc_bin: "oc --config={{ openshift_oc_config_file }}"
+openshift_oc_bin: "oc {{ oc_kubeconfig_option }}={{ openshift_oc_config_file }}"